Finding the Fourth Proportional to 1,722,985.90, 2,584,714.56 and 585,442.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722,985.90 : 2,584,714.56 = 585,442.15 : x
2. Step 2: Convert to fraction form
   1,722,985.90/2,584,714.56 = 585,442.15/x
3. Step 3: Cross multiply
   1,722,985.90x = 2,584,714.56 × 585,442.15
4. Step 4: Simplify right side
   1,722,985.90x = 1,513,200,849,142.70
5. Step 5: Solve for x
   x = 1,513,200,849,142.70/1,722,985.90
6. Step 6: Final answer
   x = 878,243.32